AEIS director-linked trust sells 240 shares at $380.52

ADVANCED ENERGY INDUSTRIES INC director Anne DelSanto, through The Delsanto Family Trust, reported an open-market sale of 240 shares of common stock at $380.52 per share on April 15, 2026.

Rhea-AI Filing Summary

ADVANCED ENERGY INDUSTRIES INC director Anne DelSanto, through The Delsanto Family Trust, reported an open-market sale of 240 shares of common stock at $380.52 per share on April 15, 2026. The trust continues to hold 6,174 shares indirectly after the transaction. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 13, 2025, indicating it was scheduled in advance rather than timed discretionarily.

Insider Trade Summary 10b5-1

Net Seller: 240 shares

Net Sell 1 txn

Insider DelSanto Anne

Role Director

Sold 240 shs ($91K)

Type	Security	Shares	Price	Value
Sale	Common Stock	240	$380.52	$91K

Holdings After Transaction: Common Stock — 6,174 shares (Indirect, By The Delsanto Family Trust)

Footnotes (2)

1. F1. The reported sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2025.
2. F2. Shares held by The Delsanto Family Trust, for which the reporting person serves as a trustee.

Key Figures

Shares sold: 240 shares Sale price per share: $380.52 per share Shares held after transaction: 6,174 shares +2 more

5 metrics

Shares sold 240 shares Common Stock sold on April 15, 2026

Sale price per share $380.52 per share Open-market sale price

Shares held after transaction 6,174 shares Indirect holdings by The Delsanto Family Trust after sale

Transaction code Code S Sale in open market or private transaction

Trading plan adoption date March 13, 2025 Rule 10b5-1 plan governing the reported sale

Key Terms

Rule 10b5-1 trading plan, open-market sale, Common Stock, indirect ownership, +1 more

5 terms

Rule 10b5-1 trading plan regulatory

"The reported sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2025."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

indirect ownership financial

"direct_or_indirect: "I" and nature_of_ownership: "By The Delsanto Family Trust""

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did AEIS director Anne DelSanto report?

Anne DelSanto reported an indirect open-market sale of 240 shares of Advanced Energy Industries common stock. The shares were sold by The Delsanto Family Trust at $380.52 per share, with 6,174 shares remaining held indirectly after the transaction.

When did the recent AEIS insider sale by The Delsanto Family Trust occur?

The Delsanto Family Trust’s sale of Advanced Energy Industries shares occurred on April 15, 2026. The trust, associated with director Anne DelSanto, sold 240 common shares at $380.52 each under a pre-arranged Rule 10b5-1 trading plan.

How many AEIS shares does The Delsanto Family Trust hold after the sale?

Following the reported transaction, The Delsanto Family Trust holds 6,174 shares of Advanced Energy Industries common stock. This figure reflects DelSanto’s indirect ownership after selling 240 shares in an open-market trade executed under a Rule 10b5-1 plan.

Was the AEIS insider sale by Anne DelSanto pre-planned under Rule 10b5-1?

Yes. The filing states the reported sale was made pursuant to a Rule 10b5-1 trading plan adopted on March 13, 2025. Such plans schedule trades in advance, reducing the significance of transaction timing as an indicator of the insider’s near-term market view.

Who actually holds the AEIS shares involved in Anne DelSanto’s Form 4 filing?

The shares are held by The Delsanto Family Trust, for which Anne DelSanto serves as a trustee. The Form 4 attributes the 240-share sale and the remaining 6,174-share position to this trust, representing her indirect ownership in Advanced Energy Industries.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/16/2026 - 12:35 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DelSanto Anne

(Last) (First) (Middle)

1595 WYNKOOP, SUITE 800

(Street)

DENVER COLORADO 80202

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ADVANCED ENERGY INDUSTRIES INC [ AEIS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/15/2026		S(1)		240	D	$380.52	6,174	I	By The Delsanto Family Trust(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The reported sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2025.

2. Shares held by The Delsanto Family Trust, for which the reporting person serves as a trustee.

	/s/ Elizabeth Vonne - Attorney-in-Fact	04/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)